Johnson, Clapham and Morris Deflector Flame-Safety Lamp

YKSMM: 2017.377
Manufacturer
Richard Johnson, Clapham & Morris Ltd
Subject
Flame-Safety Lamp

In 1886 Andrew Howat patented an arrangement where air entered the lamp through holes below the bonnet and was directed upwards by a short shield around the gauze and then deflected through the gauze.

This Deflector system protected against strong air currents outside, creating a more controlled flow within the lamp, which would give stronger illuminating power.

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